207908169

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{1381}}^1$

素因数の和:1565

約数の個数: 32

約数和(自身を含む): 324781056

約数和(自身を除く): 116872887

約数列:

[1, 3, 7, 21, 67, 107, 201, 321, 469, 749, 1381, 1407, 2247, 4143, 7169, 9667, 21507, 29001, 50183, 92527, 147767, 150549, 277581, 443301, 647689, 1034369, 1943067, 3103107, 9900389, 29701167, 69302723, 207908169]

約数ペア:

[(1, 207908169), (3, 69302723), (7, 29701167), (21, 9900389), (67, 3103107), (107, 1943067), (201, 1034369), (321, 647689), (469, 443301), (749, 277581), (1381, 150549), (1407, 147767), (2247, 92527), (4143, 50183), (7169, 29001), (9667, 21507)]